202100022020120 has 32 divisors (see below), whose sum is σ = 519685770909600. Its totient is φ = 69291436121088.

The previous prime is 202100022020101. The next prime is 202100022020219. The reversal of 202100022020120 is 21020220001202.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 202100022020095 and 202100022020104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360892896185 + ... + 360892896744.

It is an arithmetic number, because the mean of its divisors is an integer number (16240180340925).

Almost surely, 2^{202100022020120} is an apocalyptic number.

202100022020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202100022020120 is an abundant number, since it is smaller than the sum of its proper divisors (317585748889480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202100022020120 is a wasteful number, since it uses less digits than its factorization.

202100022020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721785792947 (or 721785792943 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202100022020120 its reverse (21020220001202), we get a palindrome (223120242021322).

The spelling of 202100022020120 in words is "two hundred two trillion, one hundred billion, twenty-two million, twenty thousand, one hundred twenty".